Radiation of heat through subcutaneous dilated blood vessels, evaporation of perspiration on the surface of the skin, and convection and conduction of heat directly through the skin.

List the 3 ways that the body eliminates excessive heat.

True

True or False: Keratin is a chemical synthesized by the skin.

d. all of the above

Which of the following demonstrates how the skin acts to protect the body: a. it is not easily damaged b. it contains the internal organs c. it acts as a physical barrier between the inside and outside of the body d. all of the above.

Stratum basale and stratum spinosum

What two layers of the epidermis make up the stratum germinativum?

Mitosis

What function do the cells in the stratum germinativum perform that other layers of skin do not?

Stratum Basale

the deepest layer of the skin.

False

True or False: the stratum basale is still slightly mitotic.

Stratum Basale

In which layer of the epidermis does the synthesis of keratin occur?

Keratin

A chemical produced by the skin that makes the skin tough, resistant to abrasion and waterproof.

Keratin

What gives the stratum spinosum a slightly spiney look?

4 / 5

How many layers are present in thin skin vs thick skin

Stratum lucidum

Present in only the thickest skin

Keratin

In the stratum granulosum, cells have accumulated enough _____ in them that they start to become distinctive.

Palms of the hands and soles of the feet

What two areas of the body present with stratum lucidum?

Stratum Corneum

Layer of the skin that is composed of 20-30 layers of flattened, keratinized dead cells.